430 Shinonoi Okada, Nagano City, Nagano Prefecture Japan
TEL：+81-26-292-6670 / FAX：+81-26-292-6678
E-mail：eigyo@choyo-co.com
URL：http://www.choyo-co.com

We celebrated the 40th anniversary of our company’s founding on May 2, 2015.

We produce mainly sintered glass for electronic equipment.

 We produce a variety of sintered glass, such as low-melt-temperature glass, high-melt-temperature glass, variable-sized glass, and glass made from a variety of materials.

Please feel free to contact us if you have any questions about our products.